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Magnetic tunnel junction (MTJ) based on van der Waals (vdW) magnetic layers has been found to present excellent tunneling magnetoresistance (TMR) property, which has great potential applications in field sensing, non-volatile magnetic…

Mesoscale and Nanoscale Physics · Physics 2023-04-17 X. X. Ren , B. Liu , Xian Zhang , Ping Li , Zhi-Xin Guo

We tested oxidized titanium layers as barriers for hybrid Josephson junctions with high $I_cR_n$-products and for the preparation of junctions for tunneling spectroscopy. For that we firstly prepared junctions with conventional…

Using first-principles calculations, we investigated the magnetic, electronic, and structural properties of oxygen-substituted NaMnF3 (NaMnF1.5O1.5) with in-plane biaxial strain. For simplicity, a structure containing an oxygen octahedron…

Materials Science · Physics 2022-01-19 Wenning Ren , Kuijuan Jin , Erjia Guo , Chen Ge , Can Wang , Xiulai Xu , Hongbao Yao , Litong Jiang , Guozhen Yang

Multiferroic oxides, such as BiFeO3, have garnered significant attention due to their coupled ferroelectric, magnetic, and elastic properties, offering exciting opportunities for multifunctional device applications. Controlling phase…

Materials Science · Physics 2025-02-19 Fei Sun , Chao Chen , Deyang Chen , Minghui Qin , Xubing Lu , Xingsen Gao , Christopher T Nelson , Jun-Ming Liu

Flexible electronics is an emerging field in many applications ranging from in vivo biomedical devices to wearable smart systems. The capability of conforming to curved surfaces opens the door to add electronic components to miniaturized…

The escalating demand for memory scaling requires switching mechanisms that remain reliable at atomic thickness while operating with minimal energy consumption. Sliding ferroelectricity provides a promising platform for this challenge: the…

Mesoscale and Nanoscale Physics · Physics 2026-03-31 Ruixue Wang , Jiangang Chen , Er Pan , Wunan Wang , Zefen Li , Fan Yang , Hongmiao Zhou , Zhaoren Xie , Qing Liu , Xiao Luo , Junhao Chu , Wenwu Li , Fucai Liu

We fabricate ferromagnetic nanowires with constrictions whose cross section can be reduced gradually from 100 nm to the atomic scale and eventually to the tunneling regime by means of electromigration. These devices are mechanically stable…

Mesoscale and Nanoscale Physics · Physics 2013-02-07 Kirill I. Bolotin , F. Kuemmeth , Abhay N. Pasupathy , D. C. Ralph

Transition metal oxides show fascinating physical properties such as high temperature superconductivity, ferro- and antiferromagnetism, ferroelectricity or even multiferroicity. The enormous progress in oxide thin film technology allows us…

HRTEM, nano-beam electronic diffraction, energy dispersive X-rays scanning spectroscopy, Vibrating Sample Magnetometry (VSM) and FerroMagnetic Resonance (FMR) techniques are used in view of comparing (static and dynamic) magnetic and…

We demonstrate with first-principles electron transport calculations that large tunneling magnetoresistance (TMR) and tunneling electroresistance (TER) effects can coexist in an all-oxide device. The TMR originates from the symmetry-driven…

Materials Science · Physics 2015-06-04 Nuala Mai Caffrey , Thomas Archer , Ivan Rungger , Stefano Sanvito

Magnetic tunnel junctions (MTJs) play a crucial role in spintronic applications, particularly data storage and sensors. Especially as a non-volatile memory, MTJs have received substantial attention due to its CMOS compatibility, low power…

Metal-organic frameworks (MOFs) provide a versatile and tailorable material platform that embody many desirable attributes for photocatalytic water-splitting. The approach taken in this study was to use Density Functional Theory (DFT) to…

Chemical Physics · Physics 2015-10-19 Terence Musho , Jiangtan Li , Nianqiang Wu

The coexistence and coupling of magnetic and ferroelectric orderings in single phase multiferroics has evinced enormous scientific interest as it involves breaking of time reversal and space inversion symmetries in the same material. The…

Strength of the the symmetry spin filtering effect (as defined by the asymptotic behavior of the tunneling magnetoresistance (TMR) at large barrier thicknesses induced by this effect) is studied for the Fe/MgO/Fe magnetic tunnel junctions…

Materials Science · Physics 2016-11-09 Sergey V. Faleev , Stuart S. P. Parkin , Oleg N. Mryasov

Recently, multiferroic tunnel junctions (MFTJs) have gained significant spotlight in the literature due to its high tunneling electro-resistance together with its non-volatility. In order to analyze such devices and to have insightful…

Computational Physics · Physics 2019-07-02 Robert Andrawis , Kaushik Roy

In this work, we have designed obtained a novel multiferroic nanocomposite using the high-pressure torsion (HPT) method. The crystal structure, phase composition, morphology, ferromagnetic (FM) and ferroelectric (FE) properties of the…

The manganite (La,Pr,Ca)MnO3 is well known for its micrometer scale phase separation into coexisting ferromagnetic metallic and antiferromagnetic insulating (AFI) regions. Fabricating bridges with widths smaller than the phase separation…

Materials Science · Physics 2015-05-13 G. Singh-Bhalla , A. Biswas , A. F. Hebard

Altermagnets exhibit nonrelativistic spin splitting without net magnetization, establishing a new platform for next-generation spintronic devices. Although altermagnetic tunnel junctions (AMTJs) represent the most promising realizations,…

We report an investigation of the ferromagnetic semiconductor rare earth nitrides (RENs) for their potential for cryogenic-temperature electronics and spintronics application. We have indentified ohmic contacts suitable for the device…

Applied Physics · Physics 2020-04-22 Jackson D. Miller , Felicia H. Ullstad , H. Joe Trodahl , Ben. J. Ruck , Franck Natali

Ferroelectric tunnel junctions, in which ferroelectric polarization and quantum tunneling are closely coupled to induce the tunneling electroresistance (TER) effect, have attracted considerable interest due to their potential in…

Materials Science · Physics 2019-06-11 Xin-Wei Shen , Yue-Wen Fang , Bo-Bo Tian , Chun-Gang Duan